Details T-series pro ESC has the best performance, it is the super-class product for RC airplane and helicopter and multiroto-copter
Specification 1 Output: Continuous 40A, burst 60A up to 10 seconds 2 Input Voltage: 2-6 cells lithium battery or 5-18 cells NiMH battery 3 Refresh rate of the throttle signal: 50Hz to 432Hz.4Control Signal Transmission: Optical/electrical coupled system.5Max Speed: 210000rpm for 2 Poles BLM, 70000rpm for 6 poles BLM, 35000rpm for 12 poles BLM. BLM = BrushLess Motor 6 Size: 59mm (L) * 27mm (W) * 12mm (H).7 Weight: 29g